./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash afcb5021e5e481beab65460a6812c8dbe401f7b06cf3fcadf18504395cd90d4a --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 15:19:32,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 15:19:32,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 15:19:32,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 15:19:32,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 15:19:32,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 15:19:32,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 15:19:32,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 15:19:32,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 15:19:32,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 15:19:32,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 15:19:32,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 15:19:32,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 15:19:32,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 15:19:32,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 15:19:32,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 15:19:32,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 15:19:32,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 15:19:32,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 15:19:32,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 15:19:32,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 15:19:32,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 15:19:32,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 15:19:32,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 15:19:32,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 15:19:32,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 15:19:32,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 15:19:32,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 15:19:32,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 15:19:32,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 15:19:32,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 15:19:32,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 15:19:32,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 15:19:32,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 15:19:32,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 15:19:32,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 15:19:32,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 15:19:32,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 15:19:32,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 15:19:32,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 15:19:32,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 15:19:32,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 15:19:32,638 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 15:19:32,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 15:19:32,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 15:19:32,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 15:19:32,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 15:19:32,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 15:19:32,640 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 15:19:32,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 15:19:32,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 15:19:32,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 15:19:32,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 15:19:32,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 15:19:32,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 15:19:32,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 15:19:32,642 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 15:19:32,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 15:19:32,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 15:19:32,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 15:19:32,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 15:19:32,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 15:19:32,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 15:19:32,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 15:19:32,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 15:19:32,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 15:19:32,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 15:19:32,645 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 15:19:32,645 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 15:19:32,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 15:19:32,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 15:19:32,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afcb5021e5e481beab65460a6812c8dbe401f7b06cf3fcadf18504395cd90d4a [2021-11-07 15:19:32,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 15:19:32,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 15:19:32,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 15:19:32,911 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 15:19:32,913 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 15:19:32,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2021-11-07 15:19:32,986 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b539b7410/8c283b4d9926430c94f17e5168b2b5ca/FLAG2961f3e0c [2021-11-07 15:19:33,567 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 15:19:33,568 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2021-11-07 15:19:33,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b539b7410/8c283b4d9926430c94f17e5168b2b5ca/FLAG2961f3e0c [2021-11-07 15:19:33,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b539b7410/8c283b4d9926430c94f17e5168b2b5ca [2021-11-07 15:19:33,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 15:19:33,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 15:19:33,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 15:19:33,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 15:19:33,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 15:19:33,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:19:33" (1/1) ... [2021-11-07 15:19:33,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@948d37e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:33, skipping insertion in model container [2021-11-07 15:19:33,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:19:33" (1/1) ... [2021-11-07 15:19:33,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 15:19:33,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 15:19:34,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i[136556,136569] [2021-11-07 15:19:34,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 15:19:34,784 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 15:19:34,979 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i[136556,136569] [2021-11-07 15:19:34,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 15:19:35,055 INFO L208 MainTranslator]: Completed translation [2021-11-07 15:19:35,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:35 WrapperNode [2021-11-07 15:19:35,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 15:19:35,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 15:19:35,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 15:19:35,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 15:19:35,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:35" (1/1) ... [2021-11-07 15:19:35,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:35" (1/1) ... [2021-11-07 15:19:35,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 15:19:35,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 15:19:35,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 15:19:35,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 15:19:35,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:35" (1/1) ... [2021-11-07 15:19:35,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:35" (1/1) ... [2021-11-07 15:19:35,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:35" (1/1) ... [2021-11-07 15:19:35,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:35" (1/1) ... [2021-11-07 15:19:36,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:35" (1/1) ... [2021-11-07 15:19:36,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:35" (1/1) ... [2021-11-07 15:19:36,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:35" (1/1) ... [2021-11-07 15:19:36,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 15:19:36,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 15:19:36,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 15:19:36,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 15:19:36,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:35" (1/1) ... [2021-11-07 15:19:36,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 15:19:36,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 15:19:36,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 15:19:36,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 15:19:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 15:19:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 15:19:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 15:19:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 15:19:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 15:19:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 15:19:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 15:19:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 15:19:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 15:19:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 15:19:36,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 15:19:46,070 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 15:19:46,070 INFO L299 CfgBuilder]: Removed 3868 assume(true) statements. [2021-11-07 15:19:46,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:19:46 BoogieIcfgContainer [2021-11-07 15:19:46,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 15:19:46,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 15:19:46,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 15:19:46,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 15:19:46,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:19:33" (1/3) ... [2021-11-07 15:19:46,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afd2504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:19:46, skipping insertion in model container [2021-11-07 15:19:46,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:35" (2/3) ... [2021-11-07 15:19:46,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afd2504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:19:46, skipping insertion in model container [2021-11-07 15:19:46,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:19:46" (3/3) ... [2021-11-07 15:19:46,085 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2021-11-07 15:19:46,091 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 15:19:46,091 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 131 error locations. [2021-11-07 15:19:46,154 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 15:19:46,158 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 15:19:46,159 INFO L340 AbstractCegarLoop]: Starting to check reachability of 131 error locations. [2021-11-07 15:19:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 4211 states, 4079 states have (on average 1.4376072566805589) internal successors, (5864), 4210 states have internal predecessors, (5864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:46,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-07 15:19:46,229 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:19:46,229 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:19:46,230 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 128 more)] === [2021-11-07 15:19:46,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:19:46,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1726912436, now seen corresponding path program 1 times [2021-11-07 15:19:46,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:19:46,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406318848] [2021-11-07 15:19:46,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:19:46,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:19:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:19:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:19:46,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:19:46,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406318848] [2021-11-07 15:19:46,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406318848] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:19:46,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:19:46,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:19:46,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213820896] [2021-11-07 15:19:46,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:19:46,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 15:19:46,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:19:46,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 15:19:46,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 15:19:46,645 INFO L87 Difference]: Start difference. First operand has 4211 states, 4079 states have (on average 1.4376072566805589) internal successors, (5864), 4210 states have internal predecessors, (5864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:46,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:19:46,886 INFO L93 Difference]: Finished difference Result 8418 states and 11723 transitions. [2021-11-07 15:19:46,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 15:19:46,888 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-11-07 15:19:46,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:19:46,921 INFO L225 Difference]: With dead ends: 8418 [2021-11-07 15:19:46,922 INFO L226 Difference]: Without dead ends: 4198 [2021-11-07 15:19:46,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 15:19:46,946 INFO L933 BasicCegarLoop]: 5588 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5588 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.64ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 15:19:46,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 5588 Invalid, 0 Unknown, 0 Unchecked, 12.64ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 15:19:46,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4198 states. [2021-11-07 15:19:47,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4198 to 4198. [2021-11-07 15:19:47,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4198 states, 4067 states have (on average 1.368576346201131) internal successors, (5566), 4197 states have internal predecessors, (5566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:47,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4198 states to 4198 states and 5566 transitions. [2021-11-07 15:19:47,110 INFO L78 Accepts]: Start accepts. Automaton has 4198 states and 5566 transitions. Word has length 93 [2021-11-07 15:19:47,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:19:47,110 INFO L470 AbstractCegarLoop]: Abstraction has 4198 states and 5566 transitions. [2021-11-07 15:19:47,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:47,111 INFO L276 IsEmpty]: Start isEmpty. Operand 4198 states and 5566 transitions. [2021-11-07 15:19:47,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-07 15:19:47,113 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:19:47,113 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:19:47,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 15:19:47,114 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 128 more)] === [2021-11-07 15:19:47,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:19:47,115 INFO L85 PathProgramCache]: Analyzing trace with hash 590752870, now seen corresponding path program 1 times [2021-11-07 15:19:47,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:19:47,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268818748] [2021-11-07 15:19:47,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:19:47,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:19:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:19:47,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:19:47,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:19:47,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268818748] [2021-11-07 15:19:47,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268818748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:19:47,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:19:47,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:19:47,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925634321] [2021-11-07 15:19:47,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:19:47,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:19:47,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:19:47,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:19:47,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:19:47,368 INFO L87 Difference]: Start difference. First operand 4198 states and 5566 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:47,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:19:47,658 INFO L93 Difference]: Finished difference Result 12313 states and 16352 transitions. [2021-11-07 15:19:47,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:19:47,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-11-07 15:19:47,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:19:47,693 INFO L225 Difference]: With dead ends: 12313 [2021-11-07 15:19:47,693 INFO L226 Difference]: Without dead ends: 8198 [2021-11-07 15:19:47,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.20ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:19:47,709 INFO L933 BasicCegarLoop]: 5565 mSDtfsCounter, 5411 mSDsluCounter, 5458 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5411 SdHoareTripleChecker+Valid, 11023 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.26ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.30ms IncrementalHoareTripleChecker+Time [2021-11-07 15:19:47,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5411 Valid, 11023 Invalid, 11 Unknown, 0 Unchecked, 24.26ms Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 54.30ms Time] [2021-11-07 15:19:47,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8198 states. [2021-11-07 15:19:47,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8198 to 7921. [2021-11-07 15:19:47,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7921 states, 7790 states have (on average 1.377663671373556) internal successors, (10732), 7920 states have internal predecessors, (10732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:47,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7921 states to 7921 states and 10732 transitions. [2021-11-07 15:19:47,901 INFO L78 Accepts]: Start accepts. Automaton has 7921 states and 10732 transitions. Word has length 93 [2021-11-07 15:19:47,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:19:47,903 INFO L470 AbstractCegarLoop]: Abstraction has 7921 states and 10732 transitions. [2021-11-07 15:19:47,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:47,903 INFO L276 IsEmpty]: Start isEmpty. Operand 7921 states and 10732 transitions. [2021-11-07 15:19:47,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-07 15:19:47,909 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:19:47,909 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:19:47,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 15:19:47,911 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 128 more)] === [2021-11-07 15:19:47,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:19:47,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1353777937, now seen corresponding path program 1 times [2021-11-07 15:19:47,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:19:47,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171038436] [2021-11-07 15:19:47,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:19:47,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:19:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:19:48,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:19:48,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:19:48,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171038436] [2021-11-07 15:19:48,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171038436] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:19:48,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:19:48,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:19:48,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986096090] [2021-11-07 15:19:48,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:19:48,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:19:48,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:19:48,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:19:48,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:19:48,093 INFO L87 Difference]: Start difference. First operand 7921 states and 10732 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:48,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:19:48,489 INFO L93 Difference]: Finished difference Result 22122 states and 30031 transitions. [2021-11-07 15:19:48,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:19:48,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-11-07 15:19:48,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:19:48,559 INFO L225 Difference]: With dead ends: 22122 [2021-11-07 15:19:48,560 INFO L226 Difference]: Without dead ends: 14284 [2021-11-07 15:19:48,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.63ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:19:48,578 INFO L933 BasicCegarLoop]: 5687 mSDtfsCounter, 4539 mSDsluCounter, 5458 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4539 SdHoareTripleChecker+Valid, 11145 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.41ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.42ms IncrementalHoareTripleChecker+Time [2021-11-07 15:19:48,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4539 Valid, 11145 Invalid, 11 Unknown, 0 Unchecked, 15.41ms Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 31.42ms Time] [2021-11-07 15:19:48,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14284 states. [2021-11-07 15:19:48,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14284 to 14069. [2021-11-07 15:19:48,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14069 states, 13938 states have (on average 1.3834122542689051) internal successors, (19282), 14068 states have internal predecessors, (19282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14069 states to 14069 states and 19282 transitions. [2021-11-07 15:19:48,921 INFO L78 Accepts]: Start accepts. Automaton has 14069 states and 19282 transitions. Word has length 95 [2021-11-07 15:19:48,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:19:48,925 INFO L470 AbstractCegarLoop]: Abstraction has 14069 states and 19282 transitions. [2021-11-07 15:19:48,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:48,926 INFO L276 IsEmpty]: Start isEmpty. Operand 14069 states and 19282 transitions. [2021-11-07 15:19:48,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-07 15:19:48,930 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:19:48,930 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:19:48,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 15:19:48,931 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr128ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 128 more)] === [2021-11-07 15:19:48,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:19:48,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1793568847, now seen corresponding path program 1 times [2021-11-07 15:19:48,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:19:48,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505124565] [2021-11-07 15:19:48,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:19:48,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:19:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:19:49,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:19:49,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:19:49,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505124565] [2021-11-07 15:19:49,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505124565] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:19:49,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:19:49,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:19:49,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848340306] [2021-11-07 15:19:49,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:19:49,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:19:49,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:19:49,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:19:49,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:19:49,069 INFO L87 Difference]: Start difference. First operand 14069 states and 19282 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:50,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:19:50,114 INFO L93 Difference]: Finished difference Result 41969 states and 57569 transitions. [2021-11-07 15:19:50,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:19:50,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2021-11-07 15:19:50,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:19:50,198 INFO L225 Difference]: With dead ends: 41969 [2021-11-07 15:19:50,199 INFO L226 Difference]: Without dead ends: 27983 [2021-11-07 15:19:50,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.66ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:19:50,226 INFO L933 BasicCegarLoop]: 6663 mSDtfsCounter, 5397 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 494.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5397 SdHoareTripleChecker+Valid, 12214 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.52ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 526.27ms IncrementalHoareTripleChecker+Time [2021-11-07 15:19:50,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5397 Valid, 12214 Invalid, 15 Unknown, 0 Unchecked, 17.52ms Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 526.27ms Time] [2021-11-07 15:19:50,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27983 states. [2021-11-07 15:19:50,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27983 to 27727. [2021-11-07 15:19:50,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27727 states, 27596 states have (on average 1.3859254964487606) internal successors, (38246), 27726 states have internal predecessors, (38246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27727 states to 27727 states and 38246 transitions. [2021-11-07 15:19:50,954 INFO L78 Accepts]: Start accepts. Automaton has 27727 states and 38246 transitions. Word has length 97 [2021-11-07 15:19:50,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:19:50,956 INFO L470 AbstractCegarLoop]: Abstraction has 27727 states and 38246 transitions. [2021-11-07 15:19:50,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:50,956 INFO L276 IsEmpty]: Start isEmpty. Operand 27727 states and 38246 transitions. [2021-11-07 15:19:50,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-07 15:19:50,959 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:19:50,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:19:50,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 15:19:50,960 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr128ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 128 more)] === [2021-11-07 15:19:50,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:19:50,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1491295702, now seen corresponding path program 1 times [2021-11-07 15:19:50,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:19:50,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667124403] [2021-11-07 15:19:50,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:19:50,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:19:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:19:51,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:19:51,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:19:51,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667124403] [2021-11-07 15:19:51,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667124403] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:19:51,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:19:51,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:19:51,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026073800] [2021-11-07 15:19:51,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:19:51,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:19:51,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:19:51,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:19:51,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:19:51,145 INFO L87 Difference]: Start difference. First operand 27727 states and 38246 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:51,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:19:51,573 INFO L93 Difference]: Finished difference Result 27727 states and 38246 transitions. [2021-11-07 15:19:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:19:51,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-11-07 15:19:51,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:19:51,641 INFO L225 Difference]: With dead ends: 27727 [2021-11-07 15:19:51,642 INFO L226 Difference]: Without dead ends: 27725 [2021-11-07 15:19:51,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.72ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:19:51,655 INFO L933 BasicCegarLoop]: 5563 mSDtfsCounter, 5466 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5466 SdHoareTripleChecker+Valid, 5563 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.34ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.14ms IncrementalHoareTripleChecker+Time [2021-11-07 15:19:51,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5466 Valid, 5563 Invalid, 1 Unknown, 0 Unchecked, 11.34ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 1.14ms Time] [2021-11-07 15:19:51,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27725 states. [2021-11-07 15:19:52,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27725 to 27725. [2021-11-07 15:19:52,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27725 states, 27595 states have (on average 1.385903243341185) internal successors, (38244), 27724 states have internal predecessors, (38244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:52,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27725 states to 27725 states and 38244 transitions. [2021-11-07 15:19:52,197 INFO L78 Accepts]: Start accepts. Automaton has 27725 states and 38244 transitions. Word has length 100 [2021-11-07 15:19:52,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:19:52,198 INFO L470 AbstractCegarLoop]: Abstraction has 27725 states and 38244 transitions. [2021-11-07 15:19:52,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:52,198 INFO L276 IsEmpty]: Start isEmpty. Operand 27725 states and 38244 transitions. [2021-11-07 15:19:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-07 15:19:52,203 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:19:52,204 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:19:52,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 15:19:52,204 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr129ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 128 more)] === [2021-11-07 15:19:52,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:19:52,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1014453425, now seen corresponding path program 1 times [2021-11-07 15:19:52,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:19:52,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399640527] [2021-11-07 15:19:52,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:19:52,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:19:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:19:52,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:19:52,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:19:52,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399640527] [2021-11-07 15:19:52,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399640527] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:19:52,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:19:52,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:19:52,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826719328] [2021-11-07 15:19:52,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:19:52,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:19:52,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:19:52,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:19:52,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:19:52,347 INFO L87 Difference]: Start difference. First operand 27725 states and 38244 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:52,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:19:52,818 INFO L93 Difference]: Finished difference Result 27725 states and 38244 transitions. [2021-11-07 15:19:52,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:19:52,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2021-11-07 15:19:52,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:19:52,875 INFO L225 Difference]: With dead ends: 27725 [2021-11-07 15:19:52,875 INFO L226 Difference]: Without dead ends: 27723 [2021-11-07 15:19:52,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.64ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:19:52,885 INFO L933 BasicCegarLoop]: 5561 mSDtfsCounter, 5463 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5463 SdHoareTripleChecker+Valid, 5561 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.12ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.04ms IncrementalHoareTripleChecker+Time [2021-11-07 15:19:52,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5463 Valid, 5561 Invalid, 1 Unknown, 0 Unchecked, 10.12ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 1.04ms Time] [2021-11-07 15:19:52,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27723 states. [2021-11-07 15:19:53,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27723 to 27723. [2021-11-07 15:19:53,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27723 states, 27594 states have (on average 1.3858809886207146) internal successors, (38242), 27722 states have internal predecessors, (38242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:53,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27723 states to 27723 states and 38242 transitions. [2021-11-07 15:19:53,400 INFO L78 Accepts]: Start accepts. Automaton has 27723 states and 38242 transitions. Word has length 101 [2021-11-07 15:19:53,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:19:53,400 INFO L470 AbstractCegarLoop]: Abstraction has 27723 states and 38242 transitions. [2021-11-07 15:19:53,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:53,401 INFO L276 IsEmpty]: Start isEmpty. Operand 27723 states and 38242 transitions. [2021-11-07 15:19:53,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-07 15:19:53,402 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:19:53,402 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:19:53,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 15:19:53,402 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 128 more)] === [2021-11-07 15:19:53,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:19:53,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1383265024, now seen corresponding path program 1 times [2021-11-07 15:19:53,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:19:53,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581661304] [2021-11-07 15:19:53,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:19:53,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:19:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:19:53,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:19:53,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:19:53,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581661304] [2021-11-07 15:19:53,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581661304] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:19:53,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:19:53,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:19:53,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693427296] [2021-11-07 15:19:53,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:19:53,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:19:53,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:19:53,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:19:53,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:19:53,530 INFO L87 Difference]: Start difference. First operand 27723 states and 38242 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:54,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:19:54,437 INFO L93 Difference]: Finished difference Result 55123 states and 76521 transitions. [2021-11-07 15:19:54,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:19:54,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-11-07 15:19:54,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:19:54,489 INFO L225 Difference]: With dead ends: 55123 [2021-11-07 15:19:54,490 INFO L226 Difference]: Without dead ends: 27479 [2021-11-07 15:19:54,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.63ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:19:54,534 INFO L933 BasicCegarLoop]: 5706 mSDtfsCounter, 4255 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 185.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4255 SdHoareTripleChecker+Valid, 6910 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.91ms SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 250.24ms IncrementalHoareTripleChecker+Time [2021-11-07 15:19:54,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4255 Valid, 6910 Invalid, 346 Unknown, 0 Unchecked, 14.91ms Time], IncrementalHoareTripleChecker [125 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 250.24ms Time] [2021-11-07 15:19:54,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27479 states. [2021-11-07 15:19:54,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27479 to 25671. [2021-11-07 15:19:54,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25671 states, 25599 states have (on average 1.3861088323762647) internal successors, (35483), 25670 states have internal predecessors, (35483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:55,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25671 states to 25671 states and 35483 transitions. [2021-11-07 15:19:55,044 INFO L78 Accepts]: Start accepts. Automaton has 25671 states and 35483 transitions. Word has length 102 [2021-11-07 15:19:55,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:19:55,047 INFO L470 AbstractCegarLoop]: Abstraction has 25671 states and 35483 transitions. [2021-11-07 15:19:55,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:55,048 INFO L276 IsEmpty]: Start isEmpty. Operand 25671 states and 35483 transitions. [2021-11-07 15:19:55,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-07 15:19:55,052 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:19:55,052 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:19:55,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 15:19:55,053 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 128 more)] === [2021-11-07 15:19:55,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:19:55,054 INFO L85 PathProgramCache]: Analyzing trace with hash 2054020973, now seen corresponding path program 1 times [2021-11-07 15:19:55,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:19:55,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505006181] [2021-11-07 15:19:55,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:19:55,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:19:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:19:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:19:55,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:19:55,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505006181] [2021-11-07 15:19:55,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505006181] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:19:55,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:19:55,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:19:55,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635160447] [2021-11-07 15:19:55,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:19:55,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:19:55,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:19:55,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:19:55,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:19:55,171 INFO L87 Difference]: Start difference. First operand 25671 states and 35483 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:56,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:19:56,097 INFO L93 Difference]: Finished difference Result 66174 states and 91506 transitions. [2021-11-07 15:19:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:19:56,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 148 [2021-11-07 15:19:56,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:19:56,165 INFO L225 Difference]: With dead ends: 66174 [2021-11-07 15:19:56,165 INFO L226 Difference]: Without dead ends: 40586 [2021-11-07 15:19:56,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.59ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:19:56,211 INFO L933 BasicCegarLoop]: 6240 mSDtfsCounter, 3265 mSDsluCounter, 5038 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3265 SdHoareTripleChecker+Valid, 11278 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.64ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.16ms IncrementalHoareTripleChecker+Time [2021-11-07 15:19:56,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3265 Valid, 11278 Invalid, 20 Unknown, 0 Unchecked, 16.64ms Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 34.16ms Time] [2021-11-07 15:19:56,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40586 states. [2021-11-07 15:19:57,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40586 to 39883. [2021-11-07 15:19:57,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39883 states, 39811 states have (on average 1.3879329833463112) internal successors, (55255), 39882 states have internal predecessors, (55255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:57,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39883 states to 39883 states and 55255 transitions. [2021-11-07 15:19:57,213 INFO L78 Accepts]: Start accepts. Automaton has 39883 states and 55255 transitions. Word has length 148 [2021-11-07 15:19:57,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:19:57,214 INFO L470 AbstractCegarLoop]: Abstraction has 39883 states and 55255 transitions. [2021-11-07 15:19:57,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:57,214 INFO L276 IsEmpty]: Start isEmpty. Operand 39883 states and 55255 transitions. [2021-11-07 15:19:57,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-07 15:19:57,217 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:19:57,218 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:19:57,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 15:19:57,218 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 128 more)] === [2021-11-07 15:19:57,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:19:57,219 INFO L85 PathProgramCache]: Analyzing trace with hash 134378100, now seen corresponding path program 1 times [2021-11-07 15:19:57,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:19:57,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931282681] [2021-11-07 15:19:57,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:19:57,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:19:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:19:57,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:19:57,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:19:57,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931282681] [2021-11-07 15:19:57,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931282681] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:19:57,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:19:57,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:19:57,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611278133] [2021-11-07 15:19:57,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:19:57,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:19:57,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:19:57,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:19:57,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:19:57,353 INFO L87 Difference]: Start difference. First operand 39883 states and 55255 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:58,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:19:58,329 INFO L93 Difference]: Finished difference Result 98165 states and 136081 transitions. [2021-11-07 15:19:58,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:19:58,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2021-11-07 15:19:58,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:19:58,432 INFO L225 Difference]: With dead ends: 98165 [2021-11-07 15:19:58,433 INFO L226 Difference]: Without dead ends: 58365 [2021-11-07 15:19:58,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.55ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:19:58,488 INFO L933 BasicCegarLoop]: 8111 mSDtfsCounter, 3226 mSDsluCounter, 5038 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3226 SdHoareTripleChecker+Valid, 13149 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.66ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.04ms IncrementalHoareTripleChecker+Time [2021-11-07 15:19:58,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3226 Valid, 13149 Invalid, 20 Unknown, 0 Unchecked, 13.66ms Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 30.04ms Time] [2021-11-07 15:19:58,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58365 states. [2021-11-07 15:19:59,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58365 to 57699. [2021-11-07 15:19:59,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57699 states, 57627 states have (on average 1.3897478612455967) internal successors, (80087), 57698 states have internal predecessors, (80087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:59,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57699 states to 57699 states and 80087 transitions. [2021-11-07 15:19:59,787 INFO L78 Accepts]: Start accepts. Automaton has 57699 states and 80087 transitions. Word has length 150 [2021-11-07 15:19:59,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:19:59,788 INFO L470 AbstractCegarLoop]: Abstraction has 57699 states and 80087 transitions. [2021-11-07 15:19:59,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:19:59,789 INFO L276 IsEmpty]: Start isEmpty. Operand 57699 states and 80087 transitions. [2021-11-07 15:19:59,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-07 15:19:59,792 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:19:59,793 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:19:59,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 15:19:59,793 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 128 more)] === [2021-11-07 15:19:59,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:19:59,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1701321641, now seen corresponding path program 1 times [2021-11-07 15:19:59,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:19:59,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349292216] [2021-11-07 15:19:59,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:19:59,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:20:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:20:00,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 15:20:00,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:20:00,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349292216] [2021-11-07 15:20:00,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349292216] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:20:00,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:20:00,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:20:00,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834769869] [2021-11-07 15:20:00,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:20:00,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:20:00,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:20:00,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:20:00,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:20:00,158 INFO L87 Difference]: Start difference. First operand 57699 states and 80087 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:20:01,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:20:01,376 INFO L93 Difference]: Finished difference Result 57699 states and 80087 transitions. [2021-11-07 15:20:01,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:20:01,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2021-11-07 15:20:01,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:20:01,458 INFO L225 Difference]: With dead ends: 57699 [2021-11-07 15:20:01,458 INFO L226 Difference]: Without dead ends: 57057 [2021-11-07 15:20:01,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.82ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:20:01,479 INFO L933 BasicCegarLoop]: 4879 mSDtfsCounter, 1125 mSDsluCounter, 3662 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 302.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 8541 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.49ms SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 375.57ms IncrementalHoareTripleChecker+Time [2021-11-07 15:20:01,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1125 Valid, 8541 Invalid, 231 Unknown, 0 Unchecked, 7.49ms Time], IncrementalHoareTripleChecker [86 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 375.57ms Time] [2021-11-07 15:20:01,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57057 states. [2021-11-07 15:20:02,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57057 to 57057. [2021-11-07 15:20:02,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57057 states, 57033 states have (on average 1.3790086441183174) internal successors, (78649), 57056 states have internal predecessors, (78649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:20:02,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57057 states to 57057 states and 78649 transitions. [2021-11-07 15:20:02,574 INFO L78 Accepts]: Start accepts. Automaton has 57057 states and 78649 transitions. Word has length 160 [2021-11-07 15:20:02,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:20:02,574 INFO L470 AbstractCegarLoop]: Abstraction has 57057 states and 78649 transitions. [2021-11-07 15:20:02,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:20:02,575 INFO L276 IsEmpty]: Start isEmpty. Operand 57057 states and 78649 transitions. [2021-11-07 15:20:02,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-07 15:20:02,620 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:20:02,621 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:20:02,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 15:20:02,621 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 128 more)] === [2021-11-07 15:20:02,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:20:02,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1714185597, now seen corresponding path program 1 times [2021-11-07 15:20:02,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:20:02,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109284311] [2021-11-07 15:20:02,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:20:02,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:20:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:20:02,780 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 15:20:02,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:20:02,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109284311] [2021-11-07 15:20:02,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109284311] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:20:02,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:20:02,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:20:02,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318577042] [2021-11-07 15:20:02,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:20:02,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:20:02,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:20:02,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:20:02,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:20:02,783 INFO L87 Difference]: Start difference. First operand 57057 states and 78649 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:20:04,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:20:04,147 INFO L93 Difference]: Finished difference Result 114063 states and 157263 transitions. [2021-11-07 15:20:04,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:20:04,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 211 [2021-11-07 15:20:04,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:20:04,236 INFO L225 Difference]: With dead ends: 114063 [2021-11-07 15:20:04,237 INFO L226 Difference]: Without dead ends: 57089 [2021-11-07 15:20:04,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.58ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:20:04,305 INFO L933 BasicCegarLoop]: 4926 mSDtfsCounter, 0 mSDsluCounter, 4917 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9843 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.77ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.32ms IncrementalHoareTripleChecker+Time [2021-11-07 15:20:04,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9843 Invalid, 13 Unknown, 0 Unchecked, 8.77ms Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 9.32ms Time] [2021-11-07 15:20:04,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57089 states. [2021-11-07 15:20:05,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57089 to 57089. [2021-11-07 15:20:05,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57089 states, 57065 states have (on average 1.3787961096994654) internal successors, (78681), 57088 states have internal predecessors, (78681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:20:05,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57089 states to 57089 states and 78681 transitions. [2021-11-07 15:20:05,488 INFO L78 Accepts]: Start accepts. Automaton has 57089 states and 78681 transitions. Word has length 211 [2021-11-07 15:20:05,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:20:05,489 INFO L470 AbstractCegarLoop]: Abstraction has 57089 states and 78681 transitions. [2021-11-07 15:20:05,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:20:05,489 INFO L276 IsEmpty]: Start isEmpty. Operand 57089 states and 78681 transitions. [2021-11-07 15:20:05,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-07 15:20:05,525 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:20:05,525 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:20:05,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 15:20:05,525 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 128 more)] === [2021-11-07 15:20:05,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:20:05,526 INFO L85 PathProgramCache]: Analyzing trace with hash -327400187, now seen corresponding path program 1 times [2021-11-07 15:20:05,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:20:05,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460288453] [2021-11-07 15:20:05,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:20:05,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:20:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:20:06,118 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 15:20:06,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:20:06,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460288453] [2021-11-07 15:20:06,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460288453] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:20:06,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:20:06,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 15:20:06,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304852277] [2021-11-07 15:20:06,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:20:06,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 15:20:06,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:20:06,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 15:20:06,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 15:20:06,120 INFO L87 Difference]: Start difference. First operand 57089 states and 78681 transitions. Second operand has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:20:15,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:20:15,389 INFO L93 Difference]: Finished difference Result 356941 states and 503173 transitions. [2021-11-07 15:20:15,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 15:20:15,389 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 211 [2021-11-07 15:20:15,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:20:16,303 INFO L225 Difference]: With dead ends: 356941 [2021-11-07 15:20:16,303 INFO L226 Difference]: Without dead ends: 299935 [2021-11-07 15:20:16,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 164.02ms TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2021-11-07 15:20:16,455 INFO L933 BasicCegarLoop]: 6913 mSDtfsCounter, 45363 mSDsluCounter, 50385 mSDsCounter, 0 mSdLazyCounter, 2500 mSolverCounterSat, 467 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1792.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 45363 SdHoareTripleChecker+Valid, 57298 SdHoareTripleChecker+Invalid, 2967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 88.15ms SdHoareTripleChecker+Time, 467 IncrementalHoareTripleChecker+Valid, 2500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2162.99ms IncrementalHoareTripleChecker+Time [2021-11-07 15:20:16,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45363 Valid, 57298 Invalid, 2967 Unknown, 0 Unchecked, 88.15ms Time], IncrementalHoareTripleChecker [467 Valid, 2500 Invalid, 0 Unknown, 0 Unchecked, 2162.99ms Time] [2021-11-07 15:20:16,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299935 states. [2021-11-07 15:20:21,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299935 to 59009. [2021-11-07 15:20:21,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59009 states, 58985 states have (on average 1.3664660506908537) internal successors, (80601), 59008 states have internal predecessors, (80601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:20:21,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59009 states to 59009 states and 80601 transitions. [2021-11-07 15:20:21,382 INFO L78 Accepts]: Start accepts. Automaton has 59009 states and 80601 transitions. Word has length 211 [2021-11-07 15:20:21,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:20:21,382 INFO L470 AbstractCegarLoop]: Abstraction has 59009 states and 80601 transitions. [2021-11-07 15:20:21,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:20:21,382 INFO L276 IsEmpty]: Start isEmpty. Operand 59009 states and 80601 transitions. [2021-11-07 15:20:21,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-07 15:20:21,415 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:20:21,415 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:20:21,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 15:20:21,416 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 128 more)] === [2021-11-07 15:20:21,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:20:21,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1741584315, now seen corresponding path program 1 times [2021-11-07 15:20:21,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:20:21,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291630054] [2021-11-07 15:20:21,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:20:21,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:20:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:20:21,767 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 15:20:21,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:20:21,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291630054] [2021-11-07 15:20:21,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291630054] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:20:21,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:20:21,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-07 15:20:21,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039031769] [2021-11-07 15:20:21,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:20:21,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 15:20:21,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:20:21,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 15:20:21,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-07 15:20:21,770 INFO L87 Difference]: Start difference. First operand 59009 states and 80601 transitions. Second operand has 11 states, 11 states have (on average 18.636363636363637) internal successors, (205), 11 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)